[labnetwork] Cleanroom Door

[Leif Johansen]

Hi Peter,

We have both embedded and surface mounted sliding doors, as well as "old school" hinged doors. Our puritans don't like sliding doors at all, especially not the embedded door, because they are afraid that we cannot clean the cavity properly and thus might have a particle pump. We have surface mounted sliding doors to three of our ISO 4 ("class 10") rooms and have not detected any particle issue.

>From a cost-of-ownership point of view, the manual hinged doors are the cheapest option. The sliding doors need annual service visits.

Best regards,
Leif



Leif Johansen

Head of Operations, Ph.D.


DTU Danchip



Technical University of Denmark

Nationalt Center for Mikro- and Nanofabrikation

Ørsteds Plads, Byg. 347

Building 347, Room 170

2800 Lyngby

Direct +45 45255713

Mobile +45 25348992

lesjo at danchip.dtu.dk<mailto:lesjo at danchip.dtu.dk>

www.dtu.dk/english<http://www.dtu.dk/english>


[http://www.dtu.dk/~/media/DTU_Generelt/Andet/DTU_email_logo_01.gif]





From: labnetwork-bounces at mtl.mit.edu [mailto:labnetwork-bounces at mtl.mit.edu] On Behalf Of Peter Hung
Sent: 16. januar 2018 19:54
To: labnetwork at mtl.mit.edu
Subject: [labnetwork] Cleanroom Door

Hi Everyone,

Our automatic sliding door separating the Class 5 (3520 particles/m^3) and Class 6 (35200 particles/m^3) areas is broken and we're thinking of replacing it. The current doors are embedded in the wall and we're thinking of going with surface mount doors due to the lower cost. Does anyone know if there's a reason to go with either a surface mount sliding door or an embedded door besides costs? Thank you so much!

Peter Hung
Member of the Technical Staff
Microelectronics Reliability & Radiation Effects
The Aerospace Corporation
Peter.hung at aero.org<mailto:Peter.hung at aero.org>
310.336.5238

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